Finding the Fourth Proportional to 45,621.67, 68,435.52 and 21,934.21

Step by Step Solution

1. Step 1: Write the proportion equation
   45,621.67 : 68,435.52 = 21,934.21 : x
2. Step 2: Convert to fraction form
   45,621.67/68,435.52 = 21,934.21/x
3. Step 3: Cross multiply
   45,621.67x = 68,435.52 × 21,934.21
4. Step 4: Simplify right side
   45,621.67x = 1,501,079,067.14
5. Step 5: Solve for x
   x = 1,501,079,067.14/45,621.67
6. Step 6: Final answer
   x = 32,902.76